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摘要: The weight of a sequence is defined as the number of unordered pairs of indexes (𝑖,𝑗)(i,j) (here 𝑖<𝑗i<j) with same value (𝑎𝑖=𝑎𝑗ai=aj). For exa 阅读全文
posted @ 2021-05-21 08:31 脂环 阅读(137) 评论(0) 推荐(0) 编辑